Question about 1991 Geo Storm

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1991 geo storm shudder during shifting, feels like torque converter is going out what should I check first and how to properly diagnose without pulling transmission

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  • Geo Master
  • 20,706 Answers

Well first is ,
is it engine misifre
or transmission shudder.

did you check fluid levels yet? AFT?
are spark plugs fresh, not 10 years old>?

Posted on Apr 22, 2015


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Posted on Jan 02, 2017

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SOURCE: 1992 geo metro

The check balls I put back in were slightly larger. You should be able to get them from any transmission shop or the Chevy dealer. I got my gasket from the Chevy dealer.

Posted on Aug 15, 2008

  • 1 Answer

SOURCE: 2001 Towncar Shudders while accelerating

Yes, it's a torque convertor shudder. Flush your transmission fluid and add an additive to help shudder (shudder fix, etc). That fixes most of the vehicle, the others will need a convertor. Try to keep transmission serviced around every 30k will help this concern.

Posted on Jan 05, 2009

  • 76682 Answers

SOURCE: my transmission wont shift properly rpm goes up too high

your trans is slipping from your discription or staying in a low gear, is the fluid burnt? have you tested the system control computer for transmission trouble codes?

Posted on Aug 16, 2009

  • 1 Answer

SOURCE: truck shudders when turing right or left from a dead stop

I Am a Mechanic I have mainly worked on diesel for the last 12 years I have a 2004 F-150 FX4 EXT CAB TOW PACKAGE 5,4 4X4 WITH 9.75 rear end. I had the same problem I drained my rear end and put motorcraft and the limited slip addative I got from the ford dealer here in town. SAME PROBLEM. I drained the rear end again. put in amsoil and 2 "I said 2BOTTLES OF LIMITED SLIP ADDITIVE." that was almost 1 yrs ago I havnt had any problems since and I spend about 3/4 of the time pulling a trailer.

Posted on Feb 17, 2010

  • 189 Answers

SOURCE: my 2003 ford windstar has bad hesitation during

drain your transmission,and while you have the pan off,replace the transmission filter. refill to level specs. also replace the air filter and pcv valve.

Posted on May 01, 2010

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My 2005 dodge magnum R/T keeps reading random misfire

if it's a shudder feel during shifts it's most likely the torque converter and/or a flash update

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Trani/torque convert issue

Sounds like lock-up problem in torque converter circuit. Have them check lock-up on torque converter.

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Oil capacity on a 1991 geo storm

1991 GEO STORM 1.6L 4-cyl Engine Code 5 DOHCCAPACITIES
Engine, with filter.......... 3.2 quarts
Cooling System, W/ MT Initial Fill.......... 7.4 quarts
Cooling System, W/ AT Initial Fill.......... 8.0 quarts
Automatic Transmission, Initial Fill........ 4.3 quarts [1]
Automatic Transmission, Total Fill......... 7.0 quarts
Manual Transmission, ..........4.0 pints[1] With ENG at operating temperature, shift through all gears.
Check fluid level in PARK and add fluid as needed.1991 GEO STORM 1.6L 4-cyl Engine Code 6 SOHC
1992 GEO STORM 1.8L 4-cyl Engine Code 8 DOHCCAPACITIES
Engine, with filter.......... 4.0 quarts
Cooling System, W/ AT Initial Fill.......... 8.0 quarts
Cooling System, W MT Initial Fill........... 7.4 quarts
Automatic Transmission, Initial Fill........ 4.3 quarts [1]
Automatic Transmission, Total Fill......... 7.0 quarts
Manual Transmission, .......... 4.0 pints[1] With ENG at operating temperature, shift through all gears.
Check fluid level in PARK and add fluid as needed.

Sep 12, 2012 | 1991 Geo Storm

1 Answer

04 ram 1500 2wd. trans shudder at cruising speeds under 55? Doesn't during acceleration. Change filter and fluid to no avail.

That sounds like a torque converter problem more than likely. It sounds like it's trying to lock up (supposed to do that above 60mph) at a low speed. It will feel like a harsh shift or a shudder when it's trying to engage. Just to make sure I'm correct, drive it and listen to all the gears. When at 55-60mph after it has gone into it's top gear it will normally drop about 200-300rpm when the torque converter locks up.

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Torque convertor shudder going uphill in my 1992 Dodge Caravan, A604-transmission.

A TC shudder on a 604 is the first sign of the end. You may can get away with putting a torque converter in it , if you do it soon ( tomorrow).If it shudders going up hill it is most likely not the converter since the clutch is released under load. I would suspect and engine miss first.I am constantly dealing with vehicles that someone has diagnosed as a converter shudder and turns out to be something else , most the time just a bad coil or set of plug wires.

Jan 12, 2011 | 1994 Dodge Caravan

1 Answer

1991 Geo Storm overheated on my daughter, she stopped and called me. When I arrived 45 minutes later the engine was cooled, but I was only able to add about 1/2 gallon of water. Sent her on her way and...

Hello preachinit4u and thank you for asking your question, on Fixya.

Here is a simple process that will walk you through a few steps that will pinpoint the overheating problem on your 1991 Geo Storm, without even using any tools. It has helped millions of people, and I am certain that it will help you, because I wrote it for people like you. So here is the link:
How to diagnose your overheating 1991 Geo Storm
You might also want to pay close attention to the fans section of these instructions.

Get more great, money saving, tips and tricks about your vehicle from:

Thanks for the vote, and good luck!

Nov 12, 2010 | 1991 Geo Storm

1 Answer


The torque converter may be shot.

The main Transmission fluid pump may be shot.

The electricals to the solenoids may be disconnected or relays maight not be functioning.

Look for drips of oil and listen for strange sounds coming from it.

Jun 07, 2010 | 1991 Geo Metro

1 Answer

Severe lack of power 1991 Geo Storm,

When you say "fixed", do you mean that you put the new belt on it?
If so, you probably missed a tooth in the belt placement. This usually happens when you wrap the wrong way during the procedure and the marks don't end up lining up.
Also check for other things like pinched wires or something disconnected that didn't get put back in the right spot. (vacuum lines?)

May 06, 2009 | 1991 Geo Storm

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